The speed of sound in air is 330 meter per second. how long will the sound take to travel 396 kmp ?

To find out how long sound will take to travel 396 km (kilometers), we can use the formula for time:

\[
\text{Time} = \frac{\text{Distance}}{\text{Speed}}
\]

### Step-by-step solution:

1. **Convert the distance from kilometers to meters** since the speed of sound is given in meters per second:
   \[
   396 \, \text{km} = 396 \times 1000 = 396,000 \, \text{m}
   \]

2. **Use the speed of sound in air**, which is given as 330 meters per second (m/s).

3. **Apply the formula**:
   \[
   \text{Time} = \frac{396,000 \, \text{m}}{330 \, \text{m/s}} = 1200 \, \text{seconds}
   \]

So, the sound will take **1200 seconds** to travel 396 kilometers.

If you want, we can also convert this to minutes:
\[
1200 \, \text{seconds} = \frac{1200}{60} = 20 \, \text{minutes}
\]

Thus, the sound will take **20 minutes** to travel 396 kilometers.

Would you like more details or have any other questions?

### Related questions:
1. How long would sound take to travel 1 kilometer?
2. What is the speed of sound in water, and how would that affect travel time for 396 km?
3. If the speed of sound were 340 m/s, how would the travel time for 396 km change?
4. How does temperature affect the speed of sound in air?
5. What is the speed of light, and how does it compare to the speed of sound?

**Tip**: Always ensure consistent units when calculating time, speed, or distance, such as converting kilometers to meters if the speed is given in meters per second.

The speed of sound in air is 330 meter per second. How long will the sound take to travel 396 km?

Learn how to calculate the time it takes for sound to travel 396 kilometers at a speed of 330 meters per second. This problem covers essential concepts like unit conversion and the speed-distance-time formula, making it suitable for students in Grades 6-8.

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